A school festival (mainly in junior high, high school, or university) featuring stalls, stage performances, and exhibitions.
来週は学園祭なので、クラスで模擬店を出す予定だ。
Next week is the school festival, so our class plans to run a food stall.
学園祭の目玉は学生バンドのライブだ。
The highlight of the school festival is the student band's live performance.
多くの高校では学園祭を文化祭と呼ぶこともある。
In many high schools the school festival is also called a 'culture festival' (bunkasai).
学園祭の準備で夜遅くまで残る生徒も多い。
Many students stay late into the night preparing for the school festival.